Taegutec TDC3 TT8020 Carbide Grooving Insert for Stainless Parting (10pcs)
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TaeguTec TDC3 TT8020
The Ultimate Choice for Stainless Steel & Superalloy Parting
Product Overview
"Which 3mm parting insert is most effective for preventing work hardening and notch wear in 316 Stainless Steel?"
The TaeguTec TDC3 TT8020 is a specialized, double-ended 3mm insert designed for the toughest Parting and Grooving applications. Featuring the TT8020 PVD grade—a multi-layered coating on a high-toughness substrate—this insert is engineered to combat the high cutting temperatures associated with ISO M (Stainless Steel) and ISO S (High-Temperature Alloys). The TDC chipbreaker utilizes a unique geometry to compress chips into a "cloverleaf" shape, significantly narrowing them to ensure zero contact with the groove walls, preventing catastrophic tool failure in deep cuts.
Core Advantages
Superior oxidation resistance and coating adhesion prevents built-up edge (BUE) in gummy materials like Stainless Steel.
Positive rake angle reduces cutting forces, minimizing work hardening of the workpiece surface during the parting process.
Excellent rigidity for medium to large diameters, providing consistent performance in intermittent or interrupted cuts.
Technical Specifications
Model Decoding: TDC 3 TT8020
TaeguTec
Double Edge
Chipbreaker
3.0mm Width
Alloy PVD
| Unit | Insert Width (W) | Metric Model | Imperial Model |
|---|---|---|---|
| Metric | 3.00 mm | TDC 3 | - |
| Imperial | 0.118" | - | TDC 118 |
Recommended Cutting Parameters (TT8020)
| Material Group | Speed (Vc m/min) | Feed (fn mm/rev) |
|---|---|---|
| Stainless Steel (Austenitic) | 80 - 150 | 0.07 - 0.18 |
| Inconel / Titanium Alloys | 30 - 70 | 0.04 - 0.12 |
System Compatibility
Applications & Compatibility
- Challenging Materials: Primary focus on ISO M (Stainless) and ISO S (Superalloys).
- Precision Parting: High stability parting for diameters up to 65mm.
- Deep Grooving: Enhanced chip narrowing enables deep radial grooves without sidewall drag.
- Equipment: Fits all TaeguTec T-Clamp system blocks, blades, and integral holders (Seat Size 3).
TaeguTec Grade Comparison
| Grade | Coating | ISO Area | Primary Strength |
|---|---|---|---|
| TT8020 | PVD | M, S | Stainless & Heat-Resistant Alloys |
| TT9080 | PVD | P, M, K, S | General Purpose / Versatility |
| TT7220 | PVD | P, K | High Speed Steel Cutting |
Why Choose Us
We provide genuine TaeguTec industrial tooling with expert support. Our inventory is strictly controlled to ensure you receive authentic products that deliver consistent, factory-spec results on every spindle hour.
"Solved my vibration issues on 316L SS. The TDC3 geometry combined with TT8020 is a game changer."
— Frank H., USA"Perfekt für Inconel 718. Sehr gute Standzeit bei niedrigen Schnittgeschwindigkeiten."
— Klaus W., Germany"Spedizione veloce e inserti originali. La qualità TaeguTec si vede nel controllo truciolo."
— Giovanni M., Italy"Reliable grade for our titanium aerospace parts. Good predictable wear pattern."
— Sato R., Japan"The best double-ended parting insert for high-alloy production. Worth every penny."
— Thomas B., UKFrequently Asked Questions
A: Yes. While TT9080 is a great all-rounder, TT8020 is specifically tuned for the chemical and thermal demands of ISO M materials.
A: For Stainless and Alloys, high-pressure coolant is highly recommended to prolong tool life and assist in chip flushing.
A: This depends on your holder, but the 3mm width (TDC3) is typically safe for parting up to 60-70mm diameter bars in stainless.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.